Gonioscope



FIG. 1 is a top, front, and right side perspective view of a first embodiment of the design for a gonioscope.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a bottom, rear, and left side perspective view thereof.

FIG. 9 is a top, front, and right side perspective view of a second embodiment of the design for a gonioscope.

FIG. 10 is a front elevation view thereof.

FIG. 11 is a rear elevation view thereof.

FIG. 12 is a right side elevation view thereof.

FIG. 13 is a left side elevation view thereof.

FIG. 14 is a top plan view thereof.

FIG. 15 is a bottom plan view thereof; and,

FIG. 16 is a bottom, rear, and left side perspective view thereof.

The groups of parallel hatching marks of the first and second embodiments represent transparent surfaces. The stippling pattern of the first and second embodiments represents a roughened translucent surface. 

CLAIM The ornamental design for a gonioscope, as shown and described. 